7261515

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 13716000

約数和(自身を除く): 6454485

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 149, 171, 285, 361, 447, 513, 745, 855, 1083, 1341, 1805, 2235, 2565, 2831, 3249, 4023, 5415, 6705, 8493, 9747, 14155, 16245, 20115, 25479, 42465, 48735, 53789, 76437, 127395, 161367, 268945, 382185, 484101, 806835, 1452303, 2420505, 7261515]

約数ペア:

[(1, 7261515), (3, 2420505), (5, 1452303), (9, 806835), (15, 484101), (19, 382185), (27, 268945), (45, 161367), (57, 127395), (95, 76437), (135, 53789), (149, 48735), (171, 42465), (285, 25479), (361, 20115), (447, 16245), (513, 14155), (745, 9747), (855, 8493), (1083, 6705), (1341, 5415), (1805, 4023), (2235, 3249), (2565, 2831)]